modiloader | 85dd783d98bb41450a8c9a39018467169733ae14aaf3d4a11ae94fee055531f0

General

Target

JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe
Size

657KB
MD5

6df701a1db146dbc1167d248a9567057
SHA1

7a1f3fa58360067734b0291316a0a4254811cd39
SHA256

85dd783d98bb41450a8c9a39018467169733ae14aaf3d4a11ae94fee055531f0
SHA512

a4f841be313791801812378ac3d2b72f8e88643ea2a7eeeee1161c788da6d3ffd8f41512e70a755ba552b82e6e33f6f20b274c7c0e61c7d0c3896ff244b7229a
SSDEEP

12288:NHLUMuiv9RgfSjAzRty9jpJ8T1uxp62KW8CcCzyU56RZv+Pyyar:1tAR2X8Ev8W8CcQy2U1hym

Score

10^/10

modiloader discovery evasion persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 23 IoCs

resource	yara_rule
behavioral2/memory/4292-1-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4292-2-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4292-3-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4292-6-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4292-7-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4292-22-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-25-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-27-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-39-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-40-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-43-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-46-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-49-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-52-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-55-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-58-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-61-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-64-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-67-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-70-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-73-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-76-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3492-79-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe

Executes dropped EXE 2 IoCs

pid	Process
2720	mstwain32.exe
3492	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
3492	mstwain32.exe
3492	mstwain32.exe
3492	mstwain32.exe
3492	mstwain32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3332-5-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/2720-26-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3332 set thread context of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 2720 set thread context of 3492	2720	mstwain32.exe	88

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3332-0-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/3332-5-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/files/0x000200000001e762-12.dat	upx
behavioral2/memory/2720-26-0x0000000000400000-0x00000000004E6000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4292	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe
Token: SeBackupPrivilege	2848	vssvc.exe
Token: SeRestorePrivilege	2848	vssvc.exe
Token: SeAuditPrivilege	2848	vssvc.exe
Token: SeDebugPrivilege	3492	mstwain32.exe
Token: SeDebugPrivilege	3492	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3492	mstwain32.exe
3492	mstwain32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 3332 wrote to memory of 4292	3332	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	83
PID 4292 wrote to memory of 2720	4292	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	87
PID 4292 wrote to memory of 2720	4292	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	87
PID 4292 wrote to memory of 2720	4292	JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe	87
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88
PID 2720 wrote to memory of 3492	2720	mstwain32.exe	88

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6df701a1db146dbc1167d248a9567057.exe"
  2⤵
  - Checks computer location settings
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2720
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      4⤵
      UAC bypass
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:3492

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
fc5cf49f32bb346496d42f9132ebedbc

SHA1
3030c3a234b894a58ae45504c08491b18034f67e

SHA256
a6b5787e9f7084dd8d4f0aeea886cbfe68d4d8266ada501ddad49b1c84ad340d

SHA512
18305b2b11a24345cf571981fa9597ea8ae94dba7aae5cef903016f297421a3a6609503b1d10c2e83205ebf65299fa493cdbdedfb59ac1ecc48fa2630c757837

Download Submit
C:\Windows\mstwain32.exe

Filesize
657KB

MD5
6df701a1db146dbc1167d248a9567057

SHA1
7a1f3fa58360067734b0291316a0a4254811cd39

SHA256
85dd783d98bb41450a8c9a39018467169733ae14aaf3d4a11ae94fee055531f0

SHA512
a4f841be313791801812378ac3d2b72f8e88643ea2a7eeeee1161c788da6d3ffd8f41512e70a755ba552b82e6e33f6f20b274c7c0e61c7d0c3896ff244b7229a

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2720-26-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3332-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3332-5-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3492-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-79-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-25-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-76-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-27-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-73-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-37-0x0000000000BB0000-0x0000000000BBE000-memory.dmp

Filesize
56KB

Download
memory/3492-39-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-42-0x0000000000BB0000-0x0000000000BBE000-memory.dmp

Filesize
56KB

Download
memory/3492-41-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/3492-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-46-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-49-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-52-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3492-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4292-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4292-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4292-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4292-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4292-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4292-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads